<template>
  <div>
     <!-- v-if="showTag" -->
    <div @click="contextmenuFlag=false" class="avue-tags">
      <!-- tag盒子 -->
      <div v-if="contextmenuFlag" :style="{left:contentmenuX+'px',top:contentmenuY+'px'}"
           class="avue-tags__contentmenu">
        <div class="item" @click="closeOthersTags">关闭其他
        </div>
        <div class="item" @click="closeAllTags">关闭全部
        </div>
      </div>
      <div :class="{'avue-tags__box--close':!website.isFirstPage}" class="avue-tags__box">
        <div :class="[{ 'avue-breadcrumb--active': isCollapse }]" class="avue-breadcrumb show-menu-box">
          <i class="icon-navicon" @click="setCollapse" />
        </div>
        <el-tabs style="margin-left: 20px" v-model="active" :closable="tagLen!==1" type="card" @contextmenu.native="handleContextmenu"
                 @tab-click="openTag" @edit="menuTag">
          <el-tab-pane v-for="item in tagList" :key="item.value" :label="item.label" :name="item.value"/>

        </el-tabs>
        <!-- <el-dropdown class="avue-tags__menu">
          <el-button type="text" icon="el-icon-s-operation"></el-button>
          <el-dropdown-menu slot="dropdown">
            <el-dropdown-item @click.native="closeOthersTags">关闭其他</el-dropdown-item>
            <el-dropdown-item @click.native="closeAllTags">关闭全部</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown> -->
        <!-- 头像信息 -->
        <div class="avue-tags__userInfoBox">
          <el-tooltip v-if="userInfo.avatar" effect="dark" content="用户头像" placement="bottom">
            <el-avatar class="avatar" shape="square" :size="44" fit="cover" :src="userInfo.avatar"></el-avatar>
            <!-- <img id="thumbnail" class="top-bar__img"> -->
          </el-tooltip>
          <el-dropdown>
            <span class="el-dropdown-link">
              {{ userInfo.ryName }}{{ userInfo.ryZw ? ("（" + userInfo.ryZw + "）") : "" }}
              <i class="el-icon-arrow-down el-icon--right"/>
            </span>
            <el-dropdown-menu slot="dropdown">
              <!-- <el-dropdown-item>
              <router-link to="/">首页</router-link>
            </el-dropdown-item> -->
              <el-dropdown-item>
                <router-link to="/info/index">个人信息</router-link>
              </el-dropdown-item>
              <el-dropdown-item @click.native="$refs.seting.open()">界面设置
              </el-dropdown-item>
              <el-dropdown-item divided @click.native="logout">退出系统
              </el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
        </div>
      </div>

    </div>

  </div>

</template>
<script>
import {mapGetters, mapState} from 'vuex'
import {handleImg} from '@/util/util'

export default {
  name: 'Tags',

  data() {
    return {
      active: '',
      contentmenuX: '',
      contentmenuY: '',
      contextmenuFlag: false
    }
  },
  watch: {
    tag() {
      this.setActive()
    },
    contextmenuFlag() {
      window.addEventListener('mousedown', this.watchContextmenu)
    }
  },
  created() {
    handleImg(this.userInfo.avatar, 'thumbnail')

  },
  mounted() {
    this.setActive()
  },
  computed: {
    ...mapGetters(['userInfo', 'tagWel', 'tagList', 'tag', 'website','isCollapse']),
    ...mapState({
      showTag: state => state.common.showTag
    }),
    tagLen() {
      return this.tagList.length || 0
    }
  },
  methods: {
    setCollapse() {
      this.$store.commit('SET_COLLAPSE')
    },
    watchContextmenu() {
      if (!this.$el.contains(event.target) || event.button !== 0) {
        this.contextmenuFlag = false
      }

      window.removeEventListener('mousedown', this.watchContextmenu)
    },
    handleContextmenu(event) {
      let target = event.target
      // 解决 https://github.com/d2-projects/d2-admin/issues/54
      let flag = false
      if (target.className.indexOf('el-tabs__item') > -1) flag = true
      else if (target.parentNode.className.indexOf('el-tabs__item') > -1) {
        target = target.parentNode
        flag = true
      }
      if (flag) {
        event.preventDefault()
        event.stopPropagation()
        this.contentmenuX = event.clientX
        this.contentmenuY = event.clientY
        this.tagName = target.getAttribute('aria-controls').slice(5)
        this.contextmenuFlag = true
      }
    },
    // 激活当前选项
    setActive() {
      this.active = this.tag.value
    },
    menuTag(value, action) {
      if (action === 'remove') {
        let {tag, key} = this.findTag(value)
        this.$store.commit('DEL_TAG', tag)
        if (tag.value === this.tag.value) {
          tag = this.tagList[key === 0 ? key : key - 1] // 如果关闭本标签让前推一个
          this.openTag(tag)
        }
      }
    },
    openTag(item) {
      let tag
      if (item.name) {
        tag = this.findTag(item.name).tag
      } else {
        tag = item
      }
      this.$router.push({
        path: this.$router.$avueRouter.getPath({
          name: tag.label,
          src: tag.value
        }),
        query: tag.query
      }).catch(() => {
      })
    },
    closeOthersTags() {
      this.contextmenuFlag = false
      this.$store.commit('DEL_TAG_OTHER')
    },
    findTag(value) {
      let tag, key
      this.tagList.map((item, index) => {
        if (item.value === value) {
          tag = item
          key = index
        }
      })
      return {tag: tag, key: key}
    },
    closeAllTags() {
      this.contextmenuFlag = false
      this.$store.commit('DEL_ALL_TAG')
      this.$router.push({
        path: this.$router.$avueRouter.getPath({
          src: this.tagWel.value
        }),
        query: this.tagWel.query
      })
    },
    // 退出系统
    logout() {
      this.$confirm('是否退出系统, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$store.dispatch('LogOut').then(() => {
          this.$router.push({path: '/login'})
        })
      })
    }
  }
}
</script>
<style>
.show-menu-box{
  float: left!important;
  line-height: 60px!important;
  color:#143da2!important;
  cursor: pointer;
}
</style>

